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A man is an adult male human. Prior to adulthood, a male human is referred to as a boy (a male
child A child ( : children) is a human being between the stages of birth and puberty, or between the developmental period of infancy and puberty. The legal definition of ''child'' generally refers to a minor, otherwise known as a person younger ...
or adolescent). Like most other male
mammal Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...
s, a man's genome usually inherits an X chromosome from the mother and a Y chromosome from the father. Sex differentiation of the male fetus is governed by the SRY gene on the Y chromosome. During puberty, hormones which stimulate androgen production result in the development of secondary sexual characteristics, thus exhibiting greater differences between the sexes. These include greater muscle mass, the growth of facial hair and a lower body fat composition. Male anatomy is distinguished from female anatomy by the male reproductive system, which includes the penis, testicles, sperm duct, prostate gland and the
epididymis The epididymis (; plural: epididymides or ) is a tube that connects a testicle to a vas deferens in the male reproductive system. It is a single, narrow, tightly-coiled tube in adult humans, in length. It serves as an interconnection between the ...
, and by secondary sex characteristics, including a narrower pelvis, narrower hips, and smaller breasts without mammary glands. Throughout
human history Human history, also called world history, is the narrative of humanity's past. It is understood and studied through anthropology, archaeology, genetics, and linguistics. Since the invention of writing, human history has been studied throug ...
, traditional gender roles have often defined and limited men's activities and opportunities. Men often face
conscription Conscription (also called the draft in the United States) is the state-mandated enlistment of people in a national service, mainly a military service. Conscription dates back to antiquity and it continues in some countries to the present day un ...
into military service or are directed into professions with high mortality rates, resulting in a shorter life expectancy than women. Many religious doctrines stipulate certain rules for men, such as
forced circumcision Forced circumcision is the circumcision of men and children against their will. In a biblical context, the term is used especially in relation to Paul the Apostle and his polemics against the circumcision controversy in early Christianity. Forc ...
. Men are over-represented as both perpetrators and victims of violence. Trans men have a gender identity that does not align with their female
sex assignment Sex assignment (sometimes known as gender assignment) is the discernment of an infant's sex at or before birth. A relative, midwife, nurse or physician inspects the external genitalia when the baby is delivered and, in more than 99.95% of birt ...
at birth, while intersex men may have sex characteristics that do not fit typical notions of male biology.


Etymology

The English term "man" is derived from the Proto-Indo-European root ''*man-'' (see Sanskrit/
Avestan Avestan (), or historically Zend, is an umbrella term for two Old Iranian languages: Old Avestan (spoken in the 2nd millennium BCE) and Younger Avestan (spoken in the 1st millennium BCE). They are known only from their conjoined use as the scrip ...
''manu-'', Slavic ''mǫž'' "man, male"). More directly, the word derives from
Old English Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlement of Britain, Anglo ...
''
mann Mann may refer to: Arts, entertainment and media * Mann (chess), a variant chess piece which moves as a king * ''Mann'' (film), a 1999 Bollywood motion picture * ''Mann'' (magazine), a Norwegian magazine * Mann Theatres, a theatre chain corp ...
''. The Old English form primarily meant "person" or "human being" and referred to men, women, and children alike. The Old English word for "man" as distinct from "woman" or "child" was ''
wer WER or Wer may refer to: * Weak echo region, in meteorology, an area of markedly lower reflectivity within thunderstorms resulting from an increase in updraft strength * Word error rate, in computational linguistics, a common metric of measur ...
''. ''Mann'' only came to mean "man" in Middle English, replacing ''wer'', which survives today only in the compounds " werewolf" (from Old English '' werwulf'', literally "man-wolf"), and " wergild", literally "man-payment".


Biology

In humans, sperm cells carry either an X or a Y sex chromosome. If a sperm cell carrying a Y chromosome fertilizes the female
ovum The egg cell, or ovum (plural ova), is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is ...
, the offspring will have a male karyotype (XY). The SRY gene is typically found on the Y chromosome and causes the development of the testes, which in turn govern other aspects of male sex differentiation. Sex differentiation in males proceeds in a testes-dependent way while female differentiation is not gonad dependent. Primary sex characteristics (or sex organs) are characteristics that are present at birth and are integral to the reproductive process. For men, primary sex characteristics include the penis and testicles. Adult humans exhibit sexual dimorphism in many other characteristics, many of which have no direct link to reproductive ability. Humans are sexually dimorphic in body size, body structure, and body composition. Men tend to be taller and heavier than women, and adjusted for height, men tend to have greater lean and bone mass than women, and lower fat mass. Secondary sex characteristics are features that appear during puberty in humans. Such features are especially evident in the sexually dimorphic
phenotypic trait A phenotypic trait, simply trait, or character state is a distinct variant of a phenotypic characteristic of an organism; it may be either inherited or determined environmentally, but typically occurs as a combination of the two.Lawrence, Eleano ...
s that distinguish between the sexes, but—unlike the primary sex characteristics—are not directly part of the reproductive system. Secondary sexual characteristics that are specific to men include: * Broadened shoulders; * Increased body hair; * An enlarged larynx (also known as an
Adam's apple The Adam's apple or laryngeal prominence is the protrusion in the human neck formed by the angle of the thyroid cartilage surrounding the larynx, typically visible in men, less frequently in women. Structure The topographic structure which is e ...
); and * A voice that is significantly deeper than the voice of a child or a woman. Men weigh more than women. On average, men are taller than women by about 10%. On average, men have a larger waist in comparison to their hips (see waist–hip ratio) than women. In women, the index and ring fingers tend to be either more similar in size or their index finger is slightly longer than their ring finger, whereas men's ring finger tends to be longer.


Reproductive system

The male reproductive system includes external and internal genitalia. The male external genitalia consist of the penis, the male urethra, and the scrotum, while the male internal genitalia consist of the testes, the prostate, the epididymis, the seminal vesicle, the vas deferens, the ejaculatory duct, and the bulbourethral gland. The male reproductive system's function is to produce semen, which carries
sperm Sperm is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one). Animals produce motile sperm with a tail known as a flagellum, whi ...
and thus genetic information that can unite with an egg within a woman. Since sperm that enters a woman's uterus and then
fallopian tube The fallopian tubes, also known as uterine tubes, oviducts or salpinges (singular salpinx), are paired tubes in the human female that stretch from the uterus to the ovaries. The fallopian tubes are part of the female reproductive system. In ot ...
s goes on to
fertilize Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, syngamy and impregnation, is the fusion of gametes to give rise to a new individual organism or offspring and initiate its development. Proce ...
an egg which develops into a fetus or child, the male reproductive system plays no necessary role during the
gestation Gestation is the period of development during the carrying of an embryo, and later fetus, inside viviparous animals (the embryo develops within the parent). It is typical for mammals, but also occurs for some non-mammals. Mammals during pregna ...
. The study of male reproduction and associated organs is called andrology.


Sex hormones

Testosterone stimulates the development of the
Wolffian duct The mesonephric duct (also known as the Wolffian duct, archinephric duct, Leydig's duct or nephric duct) is a paired organ that forms during the embryonic development of humans and other mammals and gives rise to male reproductive organs. Stru ...
s, the penis, and closure of the labioscrotal folds into the scrotum. Another significant hormone in sexual differentiation is the anti-Müllerian hormone, which inhibits the development of the Müllerian ducts. For males during puberty, testosterone, along with gonadotropins released by the pituitary gland, stimulates
spermatogenesis Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis. This process starts with the mitotic division of the stem cells located close to the basement membrane of the tubule ...
.


Health

While a majority of the global health gender disparities is weighted against women, there are situations in which men tend to fare poorer. One such instance is armed conflicts, where men are often the immediate victims. A study of conflicts in 13 countries from 1955 to 2002 found that 81% of all violent war deaths were male. Apart from armed conflicts, areas with high incidence of violence, such as regions controlled by drug cartels, also see men experiencing higher mortality rates. This stems from social beliefs that associate ideals of
masculinity Masculinity (also called manhood or manliness) is a set of attributes, behaviors, and roles associated with men and boys. Masculinity can be theoretically understood as socially constructed, and there is also evidence that some behaviors con ...
with aggressive, confrontational behavior. Lastly, sudden and drastic changes in economic environments and the loss of social safety nets, in particular social subsidies and food stamps, have also been linked to higher levels of
alcohol Alcohol most commonly refers to: * Alcohol (chemistry), an organic compound in which a hydroxyl group is bound to a carbon atom * Alcohol (drug), an intoxicant found in alcoholic drinks Alcohol may also refer to: Chemicals * Ethanol, one of sev ...
consumption and
psychological stress In psychology, stress is a feeling of emotional strain and pressure. Stress is a type of psychological pain. Small amounts of stress may be beneficial, as it can improve athletic performance, motivation and reaction to the environment. Exces ...
among men, leading to a spike in male mortality rates. This is because such situations often makes it harder for men to provide for their family, a task that has been long regarded as the "essence of masculinity." A retrospective analyses of people infected with the common cold found that doctors underrate the symptoms of men, and are more willing to attribute symptoms and illness to women than men. Women live longer than men in all countries, and across all age groups, for which reliable records exist. In the United States, men are less healthy than women across all social classes. Non-white men are especially unhealthy. Men are over-represented in dangerous occupations and represent a majority of on the job deaths. Further, medical doctors provide men with less service, less advice, and spend less time with men than they do with women per medical encounter.


Sexuality and gender

Male sexuality and attraction vary from person to person, and a man's sexual behavior can be affected by many factors, including evolved predispositions, personality, upbringing, and culture. While the majority of men are heterosexual, significant minorities are
homosexual Homosexuality is romantic attraction, sexual attraction, or sexual behavior between members of the same sex or gender. As a sexual orientation, homosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" to peop ...
or
bisexual Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whi ...
. Trans men have a male gender identity that does not align with their female
sex assignment Sex assignment (sometimes known as gender assignment) is the discernment of an infant's sex at or before birth. A relative, midwife, nurse or physician inspects the external genitalia when the baby is delivered and, in more than 99.95% of birt ...
at birth and may undergo masculinizing hormone replacement therapy and/or sex reassignment surgery, while intersex men may have sex characteristics that do not fit typical notions of male biology. A 2016 systemic review estimated that 0.256% of people self-identify as female-to-male transgender. A 2017 survey of 80,929 Minnesota students found that roughly twice as many female-assigned adolescents self-identified as transgender, compared to adolescents with a male sex assignment.


Social role


Masculinity

Masculinity (also sometimes called ''manhood'' or ''manliness'') is the set of personality traits and attributes associated with boys and men. Although masculinity is socially constructed, some research indicates that some behaviors considered masculine are biologically influenced.Social vs biological citations: * * * * To what extent masculinity is biologically or socially influenced is subject to debate. It is distinct from the definition of the biological male sex, as both males and females can exhibit masculine traits. Men generally face social stigma for embodying
feminine Femininity (also called womanliness) is a set of attributes, behaviors, and roles generally associated with women and girls. Femininity can be understood as socially constructed, and there is also some evidence that some behaviors considered fe ...
traits, more so than women do for embodying masculine traits. This can also manifest as
homophobia Homophobia encompasses a range of negative attitude (psychology), attitudes and feelings toward homosexuality or people who are identified or perceived as being lesbian, gay or bisexual. It has been defined as contempt, prejudice, aversion, h ...
. Standards of manliness or masculinity vary across different cultures and historical periods. While the outward signs of masculinity look different in different cultures, there are some common aspects to its definition across cultures. In all cultures in the past, and still among traditional and non-Western cultures, getting married is the most common and definitive distinction between boyhood and manhood. In the late 20th century, some qualities traditionally associated with marriage (such as the "triple Ps" of ''protecting, providing, and
procreating Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. Reproduction is a fundamental feature of all known life; each individual or ...
'') were still considered signs of having achieved manhood.


Relationships

Platonic relationships are not significantly different between men and women, though some differences do exist. Friendships involving men tend to be based more on shared activities than self-disclosure and personal connection. Perceptions of friendship involving men varies among cultures and time periods. In heterosexual romantic relationships, men are typically expected to take a proactive role, initiate the relationship, plan dates, and propose marriage.


Status

Anthropology has shown that masculinity itself has
social status Social status is the level of social value a person is considered to possess. More specifically, it refers to the relative level of respect, honour, assumed competence, and deference accorded to people, groups, and organizations in a society. Stat ...
, just like wealth, race and social class. In Western culture, for example, greater masculinity usually brings greater social status. Many English words such as ''virtue'' and ''virile'' (from the
Indo-European root The roots of the reconstructed Proto-Indo-European language (PIE) are basic parts of words that carry a lexical meaning, so-called morphemes. PIE roots usually have verbal meaning like "to eat" or "to run". Roots never occurred alone in the lang ...
''vir'' meaning ''man'') reflect this. In most cultures,
male privilege Male privilege is the system of advantages or rights that are available to men solely on the basis of their sex. A man's access to these benefits may vary depending on how closely they match their society's ideal masculine norm. Academic studi ...
allows men more rights and privileges than women. In societies where men are not given special legal privileges, they typically hold more positions of power, and men are seen as being taken more seriously in society. This is associated with a "gender-role strain" in which men face increased societal pressure to conform to gender roles.


Entertainment and media

Media portrayals of men often replicate traditional understanding of masculinity. Men are portrayed more frequently in television than women and most commonly appear as leads in action and drama programming. Men are typically more active in television programming than women and typically hold more power and status. Due to their prominence, men are more likely to be both the objects and instigators of humorous or disparaging content. Fathers are often portrayed in television as either idealized and caring or clumsy and inept. In advertising, men are disproportionately featured in advertisements for alcohol, vehicles, and business products.


Rights

In most societies, men have more legal and cultural rights than women, and misogyny is far more prevalent than misandry in society. Men typically receive less support after being victims of
sexual assault Sexual assault is an act in which one intentionally sexually touches another person without that person's consent, or coerces or physically forces a person to engage in a sexual act against their will. It is a form of sexual violence, which ...
, and rape of males is stigmatized.
Domestic violence against men Domestic violence against men is violence or other physical abuse towards men in a domestic setting, such as in marriage or cohabitation. As with domestic violence against women, violence against men may constitute a crime, but laws vary betwee ...
is similarly stigmatized. Opponents of circumcision describe it as a human rights violation. The fathers' rights movement seeks to support separated fathers that do not receive equal rights to care for their children. The men's movement is the response to issues faced by men in Western countries. It includes
pro-feminist Pro-feminism refers to support of the cause of feminism without implying that the supporter is a member of the feminist movement. The term is most often used in reference to men ("male feminists") who actively support feminism and its efforts to ...
groups such as the men's liberation movement and anti-feminist groups such as the manosphere and the men's rights movement.


Sex symbol

The
Mars symbol A planet symbol (or ''planetary symbol'') is a graphical symbol used in astrological symbol, astrology and astronomical symbol, astronomy to represent a classical planet (including the Sun and the Moon) or one of the modern planets. The symbols wer ...
(♂) is a common symbol that represents the male sex. The symbol is identical to the planetary symbol of Mars. It was first used to denote sex by Carl Linnaeus in 1751. The symbol is sometimes seen as a stylized representation of the shield and spear of the Roman god Mars. According to Stearn, however, this derivation is "fanciful" and all the historical evidence favours "the conclusion of the French classical scholar
Claude de Saumaise Claude Saumaise (15 April 1588 – 3 September 1653), also known by the Latin name Claudius Salmasius, was a French classical scholar. Life Salmasius was born at Semur-en-Auxois in Burgundy. His father, a counsellor of the parlement of Dijon, sen ...
" that it is derived from ''θρ'', the contraction of a Greek name for the planet Mars, which is ''Thouros''.


See also

* Woman * Lists of men * Men's studies *
Patriarchy Patriarchy is a social system in which positions of dominance and privilege are primarily held by men. It is used, both as a technical anthropological term for families or clans controlled by the father or eldest male or group of males a ...
* Sex differences in humans * Sexism


References


Bibliography

*


Further reading

* Andrew Perchuk, Simon Watney,
bell hooks Gloria Jean Watkins (September 25, 1952December 15, 2021), better known by her pen name bell hooks, was an American author and social activist who was Distinguished Professor in Residence at Berea College. She is best known for her writings on ...
, ''The Masculine Masquerade: Masculinity and Representation'', MIT Press 1995 * Pierre Bourdieu, ''Masculine Domination'', Paperback Edition, Stanford University Press 2001 * Robert W. Connell, ''Masculinities'', Cambridge : Polity Press, 1995 *
Warren Farrell Warren Thomas Farrell (born June 26, 1943) is an American political scientist, activist, and author of seven books on men's and women's issues. He is a leading figure of the Men's Rights Movement. Farrell initially came to prominence in the 197 ...
, ''The Myth of Male Power'' Berkley Trade, 1993 * Michael Kimmel (ed.), Robert W. Connell (ed.), Jeff Hearn (ed.), ''Handbook of Studies on Men and Masculinities'', Sage Publications 2004


External links

* * * {{Authority control